Measurement range of photon-ionizing radiation DER |
10-1 … 2·106 μSv/h |
Indication range of pulse count rate from photon-ionizing radiation detector |
0 … 9 999 cps |
Main relative permissible error limit during measurement of photon-ionizing radiation DER at 137Cs calibration with 0.95 confidence probability |
(15+2/) %,where is a dimensionless quantity, numerically equal to DER value measured in μSv/h |
Energy range of detected photon-ionizing radiation |
0.05 … 3 MeV |
Additional relative permissible error limit during measurement of photon-ionizing radiation DER caused by deviation of environmental temperature from 20 ос in the temperature variation range from minus 30 ос to + 55 ос |
5 % per each 10 ос of deviation from 20 ос |
Setup time of operating mode while the ABG Probe is exposed to photon-ionizing radiation with DER equal to 5 µSv/h, not more |
1 min |
Setup time of operating mode when measuring beta-particles flux density and surface activity of beta-emitting radionuclides, not more |
1 min |
Measurement range of surface beta-particles flux density |
10 … 300 000 part./(cm²·min) |
Measurement range of surface activity of beta-emitting radionuclides |
0.5 … 13 500 Bq/cm²for С0 source type (90Sr/90Y)
(efficiency of C0 type sources is 0.377) |
Indication range of pulse count rate from beta radiation detector |
0 … 9 999 cps |
Energy range of detected beta-particles |
0.15 … 3 MeV |
Main relative permissible error limit during measurement of surface beta-particles flux density in the range from 10 to 300 000 part./(cm²·min) at 90Sr/90Y calibration with 0.95 confidence probability |
(20+200/Fβ) %,where Fβ is a dimensionless quantity, numerically equal to surface beta-particles flux density value measured in part./(cm²·min) |
Main relative permissible error limit during measurement of surface activity of beta-emitting radionuclides in the range from 0.5 to 13 500 Bq/cm² at 90Sr/90Y calibration with 0.95 confidence probability from standard source of С0 type |
(20+10/Аβ) %,where Аβ is dimensionless quantity, numerically equal to surface activity of beta-emitting radionuclides value measured in Bq/cm² |
Area of the detector’s sensitivity |
7 cm² |
Beta-particles detection efficiency, not less- for 14С isotope
– for 204Tl isotope
– for 90Sr/90Y isotope |
—
0.4 |
Additional relative permissible error limit during measurement of surface beta-particles flux density and surface activity of beta-emitting radionuclides caused by variation of environmental temperature from minus 30 to + 55 ос |
± 5 % per each 10 ос of deviation from 20 ос |
Measurement range of surface alpha-particles flux density |
10 … 300 000 part./(cm²·min) |
Measurement range of surface activity of alpha-emitting radionuclides |
0.5 … 10 000 Bq/cm²for П9 source type (239Pu)
(efficiency of П9 type sources is 0.490) |
Energy range of detected alpha-particles |
4 … 8 MeV |
Indication range of pulse count rate from alpha radiation detector |
0 … 9 999 cps |
Main relative permissible error limit during measurement of surface alpha-particles flux density in the range from 10 to 300 000 part./(cm²·min) at 239Pu calibration with 0.95 confidence probability |
(15+300/Fα) %,where Fα is a dimensionless quantity, numerically equal to surface alpha-particles flux density value measured in part./(cm²·min) |
Main relative permissible error limit during measurement of surface activity of alpha-emitting radionuclides in the range from 0.5 to 10 000 Bq/cm2 at 239Pu calibration with 0.95 confidence probability from standard source of П9 type |
(15+15/Аα) %,where Аα is a dimensionless quantity, numerically equal to surface activity of alpha-emitting radionuclides value measured in Bq/cm² |
Area of the detector’s sensitivity |
7 cm² |
Alpha-particles detection efficiency from 239Pu isotope, not less |
0.06 |
Additional relative permissible error limit during measurement of surface alpha-particles flux density and surface activity of alpha-emitting radionuclides caused by variation of environmental temperature from minus 30 ос to + 55 ос |
5 % per each 10 ос of deviation from 20 ос |
Setup time of operating mode when measuring alpha-particles flux density and surface activity of alpha-emitting radionuclides, not more |
1 min |
Unstable readings during measurement of all physical quantities during an 8-hour continuous operation, not more |
5 % |
Dimensions of the ABG probe, not more |
72 × 186 × 53 mm |
Weight of the ABG probe, not more |
0.7 kg |